How to Solve the Problem of LED Lights Burning Out Easily?

[MacHarley]

LED lights burning out easily can be solved by: checking if the low beam relay is functioning properly. Use a multimeter to test the output wire of the flasher relay to see if there is a 12v output. If there is an intermittent change in output, it indicates normal operation. If there is no output or a constant 12v output, it means the low beam relay is damaged and needs to be replaced with a new one. The functions of LED lights are: 1. Activating turn signals to alert following vehicles, reducing rear-end collisions; 2. Improving visibility of road conditions to enhance driving safety; 3. Informing trailing vehicles when braking to pay attention and slow down; 4. Using hazard lights during temporary stops, emergencies, or in poor visibility weather conditions to notify passing vehicles.

[VanKate]

I've encountered many car light issues, and LED lights tend to burn out mainly due to insufficient heat dissipation and excessive voltage. Many cheap LED lights neglect heat dissipation in their design, causing heat buildup and rapid damage to the LED chips. Voltage instability, especially when the alternator outputs abnormally high voltage, can instantly burn out the lights. The solution is to choose high-quality LED lights equipped with cooling fans or aluminum-based heat sinks. During installation, ensure proper ventilation around the light housing to avoid enclosed spaces. Installing a voltage stabilizer is also crucial—if the alternator consistently outputs over 14 volts, a regulator is needed. Check circuit contact points; rust or looseness can cause arcing and damage the LED chips. Regular cleaning and the use of conductive grease can prevent this. Improper modifications are another common cause of problems, so it's advisable to use certified products and have them installed and adjusted by professionals.

[SanAllie]

Experiencing frequent LED light burnouts while driving, I've summarized the following insights: Inferior quality products are the main culprit, as cheap lights aren't durable—switching to reputable brands solves this. Heat dissipation is crucial; lights become scalding hot after parking in high-temperature seasons, leading to easy failures. I've learned to add small fans or heat sinks to the lights, or opt for lights with built-in heat dissipation designs when space is limited. I've also used a multimeter to check voltage—if it's too high, installing a voltage regulator module helps. For routine maintenance, always ensure wiring connections are secure, as loose or shaky connections can burn out lights—just tighten them properly. Turning on lights immediately after starting the car can also cause damage; it's better to let the engine warm up for a few minutes first. After implementing these measures a few times, the lifespan of the lights has significantly improved.

[VonJames]

When I modified my car, I found that LED lights burn out easily, but solving this issue isn't difficult. First, check the voltage: measure the battery voltage while the engine is running, normally around 14 volts; if it's too high, inspect the alternator or add a voltage suppressor. Heat dissipation is crucial: if the lamp holder lacks a heat sink, add one—I repurposed a fan from an old computer to assist with cooling. Installation details: if the socket is loose, causing flickering and overheating, use threadlocker to secure it. Low-quality driver power supplies generate excessive heat, so replace them with branded power boards. Preventive measures include regular dust cleaning to avoid accumulation affecting heat dissipation. When modifying, follow the wiring instructions to prevent short circuits. Simple maintenance can extend their lifespan.